PTFE Diaphragm, LC-30AD/i-Series, 2/pk Back Catalog number: 11-4122 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10532 Seal Wash Face Seal Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request CTS-10724 Injector Needle Price on request